Processes of phytoremediation
Phytoremediation consists of a collection of four different plant-based technologies, each having a different mechanism of action for the remediation of metal polluted soil, sediment and water. The 4 main processes that involve the treatment of environmental problems by using plants and algae are:

-Phytoextraction

-Phytostabilization

-Phytovolatilization

-Rhizofiltration